🌏 Deep Beneath the Pacific: M5.1 Earthquake Strikes Near Fiji A magnitude 5.1 deep-focus earthquake struck 264 km east of Levuka, Fiji, originating an extreme 576 km beneath the Earth’s surface. Quakes this deep don’t usually cause surface damage — but they reveal powerful forces moving inside the planet along the Fiji–Tonga subduction zone, one of the most active regions on Earth. This cinematic visualization shows what happens far below the crust, where tectonic plates descend into the mantle